package tech.aistar.prj.filter;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 本类功能:中文乱码处理
 *
 * @author cxylk
 * @date 2020/9/20 10:29
 */
@WebFilter(urlPatterns = "/*")
public class CharacterFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest req=(HttpServletRequest) servletRequest;
        HttpServletResponse resp= (HttpServletResponse) servletResponse;

        req.setCharacterEncoding("utf-8");

        //过滤器放行的代码
        filterChain.doFilter(req,resp);
    }

    @Override
    public void destroy() {

    }
}
